1. The document discusses the escape of gases from a container. 2. It mentions various elements like oxygen, carbon, nitrogen, and hydrogen. 3. It also refers to concepts like ventilator, balance, and collector.

1. E V I T A Q U E L O S G A S E S E S C A P E N
1 2 3
O O
L J
A B I E L A
4
N C P N
5 6
T I V E N T I L A D O R E V
7 8
E G S T Á
S D U T C Á R T E R L
9 10
E J E D E L E V A S Ó U S C V
11 12 13
G L Ñ A M O N O B L O C K I U
14
M M A R A L L
E O L I T I A
N T L B B A L A N C I N E S
15 16
T O B U L Ó N U D
17
O R A Z R
S V Á S T A G O C O L E C T O R E S
18 19
Z